Home / 174,669.72-261,785.28-74,712.36

Finding the Fourth Proportional to 174,669.72, 261,785.28 and 74,712.36

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Solution

The fourth proportional to 174,669.72, 261,785.28 and 74,712.36 is: 111,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,669.72 : 261,785.28 = 74,712.36 : x
  2. Step 2: Convert to fraction form
    174,669.72/261,785.28 = 74,712.36/x
  3. Step 3: Cross multiply
    174,669.72x = 261,785.28 × 74,712.36
  4. Step 4: Simplify right side
    174,669.72x = 19,558,596,082.06
  5. Step 5: Solve for x
    x = 19,558,596,082.06/174,669.72
  6. Step 6: Final answer
    x = 111,974.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.